On Tue, Jan 31, 2012 at 10:28:55AM -0800, Michael Waskom wrote:
> First, I realized that my original PCA did not make much sense.  What
> I want to do is reduce the feature dimensions in my classification,
> but keep the number of observations. 

That's what the scikit's PCA does. I don't understand why you need to
transpose the data.

> One important question, though, is whether it will be valid to scale
> my features within each run.  My intuition is that it's fine as long
> as I am doing leave-one-run-out cross validation, as the test set
> won't have been transformed with any parameters determined from the
> training set. 

I agree with you. It seems to me a reasonnable solution.

Gael

------------------------------------------------------------------------------
Keep Your Developer Skills Current with LearnDevNow!
The most comprehensive online learning library for Microsoft developers
is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3,
Metro Style Apps, more. Free future releases when you subscribe now!
http://p.sf.net/sfu/learndevnow-d2d
_______________________________________________
Scikit-learn-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/scikit-learn-general

Reply via email to